256410960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82183}}^1$

素因数の和:82212

約数の個数: 80

約数和(自身を含む): 856028544

約数和(自身を除く): 599617584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 82183, 164366, 246549, 328732, 410915, 493098, 657464, 821830, 986196, 1068379, 1232745, 1314928, 1643660, 1972392, 2136758, 2465490, 3205137, 3287320, 3944784, 4273516, 4930980, 5341895, 6410274, 6574640, 8547032, 9861960, 10683790, 12820548, 16025685, 17094064, 19723920, 21367580, 25641096, 32051370, 42735160, 51282192, 64102740, 85470320, 128205480, 256410960]

約数ペア:

[(1, 256410960), (2, 128205480), (3, 85470320), (4, 64102740), (5, 51282192), (6, 42735160), (8, 32051370), (10, 25641096), (12, 21367580), (13, 19723920), (15, 17094064), (16, 16025685), (20, 12820548), (24, 10683790), (26, 9861960), (30, 8547032), (39, 6574640), (40, 6410274), (48, 5341895), (52, 4930980), (60, 4273516), (65, 3944784), (78, 3287320), (80, 3205137), (104, 2465490), (120, 2136758), (130, 1972392), (156, 1643660), (195, 1314928), (208, 1232745), (240, 1068379), (260, 986196), (312, 821830), (390, 657464), (520, 493098), (624, 410915), (780, 328732), (1040, 246549), (1560, 164366), (3120, 82183)]